Waste bin



FIG. 1 is a top plan view of a waste bin showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof, with the left side being a mirror image thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a top front left side perspective view thereof. 

The ornamental design for a waste bin, as shown and described. 